I71.010
Billable codeDissection of ascending aorta
The ICD-10 code for dissection of ascending aorta is I71.010.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- I71.011Dissection of aortic arch
- I71.012Dissection of descending thoracic aorta
- I71.019Dissection of thoracic aorta, unspecified
- I71.010Dissection of ascending aorta
Associated MS-DRGs
I71.010 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.